JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Online ISSN : 1881-1299
Print ISSN : 0021-9592
BINARY VAPOR-LIQUID EQUILIBRIA OF CARBON DIOXIDE-LIGHT HYDROCARBONS AT LOW TEMPERATURE
KUNIO NAGAHAMA, HITOSHI KONISHI, DAISUKE HOSHINO, MITSUHO HIRATA
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1974 Volume 7 Issue 5 Pages 323-328

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Abstract

Vapor-liquid equilibrium data for binary systems containing carbon dioxide: CO2-C2H6, CO2-C3H8, CO2-n-C4H10, CO2-iso-C4H10, CO2-C2H4, CO2-C3H6 and CO2-1-C4H8 were determined by the vapor recirculation method in the low-temperature range (-41.6°C-0°C). The CO2-C2H4 and CO2-C2H6 systems formed minimum-boiling azeotropes. The modified Redlich-Kwong equation of state was used to calculate vapor-liquid equilibria of these systems. It provided fairly good agreement with experiment.

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